<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>使用背景图</title>
    <link rel="stylesheet" href="css.css">
    <link rel="stylesheet" href="css/too1.css">
</head>
<body>
   <div class="toolbar">
       <a href="javascript:;" class="toolbar-item tool-item-weixin">
           <span class="toolbar-layer"></span>
       </a>
       <a href="javascript:;" class="toolbar-item tool-item-feedback"></a>
       <a href="javascript:;" class="toolbar-item tool-item-app">
            <span class="toolbar-layer"></span>
       </a>
       <a href="javascript:;" class="toolbar-item tool-item-top"></a>
   </div> 
</body>
</html>